body {
    width: 400px;
    padding: 15px;
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
}

h1 {
    font-size: 18px;
    margin-bottom: 15px;
    color: #333;
}

select,
textarea,
button {
    width: 100%;
    margin-bottom: 12px;
    border-radius: 4px;
}

textarea {
    padding: 8px;
    border: 1px solid #ccc;
    font-family: monospace;
    resize: vertical;
}

select {
    padding: 8px;
    border: 1px solid #ccc;
}

button {
    background-color: #4CAF50;
    color: white;
    padding: 10px;
    border: none;
    cursor: pointer;
    transition: background-color 0.3s;
}

button:hover {
    background-color: #45a049;
}

button:active {
    transform: translateY(1px);
}

#copyBtn {
    background-color: #2196F3;
}

#copyBtn:hover {
    background-color: #1976D2;
}

p {
    margin-top: 10px;
    text-align: center;
    font-size: 12px;
}

a {
    color: #2196F3;
    text-decoration: none;
}

a:hover {
    text-decoration: underline;
}